How do I install replacement ear seals? See the linked PDF for instructions.





| Model Number | Description |
| STM | Sigtronics Tone Module |

| Model Number | Description |
| SRS-4 | For: UT-4S and UT-4D |
| SRS-6 | For: UT-6S and UT-6D |
| SRS-12 | For: UT-12S and UT-12D |
| SRS-M | For: MRIM-2 |

| Model Number | Description |
| PG-PSA | Power Supply Adapter |

| Model Number | Description |
| FS1 | Push-To-Talk Foot Switch |
| Part Number | Hardware | |
| 100049 | Grommet | |
| 100429 | Cover Screw – Stainless | |
| 100452 | Mounting Screw – Black | |
| 100453 Black |
Black Box (empty) For Headset Jack (screws and grommet not included) |
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| 100454 Black |
Black Box (empty) For PTT Switch (screws and grommet not included) |
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| 100587 Black |
Black Box (empty) No Hole for Switch or Jack (screws and grommet not included) |
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| 100732 Black |
Black Box (empty) For 3PDT switch (screws and grommet not included) |
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| 800144 | Headset Hook with hardware |
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| Part Number | Jacks – 3 Conductor | |
| 100061 | Standard Headset Jack – 3 Conductor | ![]() |
| 100418 | Headset Jack for thick panels – 3 Conductor Maximum panel thickness: 0.155" with splash cover, 0.195" without splash cover. |
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| 800120 Black |
Headset Jack in black box with screws and grommet – 3 Conductor | ![]() |
| 800121 Black |
Headset Jack in black box with screws, grommet, and black splash cover – 3 Conductor | ![]() |
| Part Number | Jacks – 4 Conductor | |
| 100470 | Headset Jack for headsets with RPTT switch on ear cup – 4 Conductor | ![]() |
| 800183 Black |
RPTT Headset Jack in black box with screws and grommet – 4 Conductor | ![]() |
| 800184 Black |
RPTT Headset Jack in black box with screws, grommet, chrome splash cover – 4 Conductor | ![]() |
| Part Number | Jacks – Accessories | |
| 100386 | Jack Splash Cover – Black. For 3 Conductor Headset Jack (p/n 800120) | ![]() |
| 100506 | Weather Plug for Ring Bypass Cable Jack or Belt PTT Extension Cable Jack | ![]() |
| 100620 | Jack Splash Cover – Chrome. For 4 Conductor Headset Jack (p/n 800183) | ![]() |
| Part Number | Switches – PTT | |
| 100177 | Push-To-Talk Switch. SPST momentary switch. | ![]() |
| 800122 Black |
Push-To-Talk Switch in Black Box with screws and grommet. Includes p/n 100177 SPST momentary switch. |
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| PA-PTT Black |
Push-To-Talk Switch for a intercom system to be used with a public-address (PA) system. PTT DPDT momentary switch in a Black Box with screws and grommet. |
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